tmux.h

   1 /* $OpenBSD$ */
   2
   3 /*
   4  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
   5  *
   6  * Permission to use, copy, modify, and distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
  15  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
  16  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18
  19 #ifndef TMUX_H
  20 #define TMUX_H
  21
  22 #define PROTOCOL_VERSION 6
  23
  24 #include <sys/param.h>
  25 #include <sys/time.h>
  26 #include <sys/queue.h>
  27 #include <sys/tree.h>
  28 #include <sys/uio.h>
  29
  30 #include <bitstring.h>
  31 #include <event.h>
  32 #include <getopt.h>
  33 #include <imsg.h>
  34 #include <limits.h>
  35 #include <signal.h>
  36 #include <stdarg.h>
  37 #include <stdint.h>
  38 #include <stdio.h>
  39 #include <termios.h>
  40
  41 #include "array.h"
  42
  43 extern char    *__progname;
  44 extern char   **environ;
  45
  46 /* Default configuration files. */
  47 #define DEFAULT_CFG ".tmux.conf"
  48 #define SYSTEM_CFG "/etc/tmux.conf"
  49
  50 /* Default prompt history length. */
  51 #define PROMPT_HISTORY 100
  52
  53 /*
  54  * Minimum layout cell size, NOT including separator line. The scroll region
  55  * cannot be one line in height so this must be at least two.
  56  */
  57 #define PANE_MINIMUM 2
  58
  59 /* Automatic name refresh interval, in milliseconds. */
  60 #define NAME_INTERVAL 500
  61
  62 /* Maximum data to buffer for output before suspending writing to a tty. */
  63 #define BACKOFF_THRESHOLD 16384
  64
  65 /*
  66  * Maximum sizes of strings in message data. Don't forget to bump
  67  * PROTOCOL_VERSION if any of these change!
  68  */
  69 #define COMMAND_LENGTH 2048     /* packed argv size */
  70 #define TERMINAL_LENGTH 128     /* length of TERM environment variable */
  71 #define ENVIRON_LENGTH 1024     /* environment variable length */
  72
  73 /*
  74  * UTF-8 data size. This must be big enough to hold combined characters as well
  75  * as single.
  76  */
  77 #define UTF8_SIZE 9
  78
  79 /* Fatal errors. */
  80 #define fatal(msg) log_fatal("%s: %s", __func__, msg);
  81 #define fatalx(msg) log_fatalx("%s: %s", __func__, msg);
  82
  83 /* Definition to shut gcc up about unused arguments. */
  84 #define unused __attribute__ ((unused))
  85
  86 /* Attribute to make gcc check printf-like arguments. */
  87 #define printflike1 __attribute__ ((format (printf, 1, 2)))
  88 #define printflike2 __attribute__ ((format (printf, 2, 3)))
  89 #define printflike3 __attribute__ ((format (printf, 3, 4)))
  90 #define printflike4 __attribute__ ((format (printf, 4, 5)))
  91 #define printflike5 __attribute__ ((format (printf, 5, 6)))
  92
  93 /* Number of items in array. */
  94 #ifndef nitems
  95 #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
  96 #endif
  97
  98 /* Bell option values. */
  99 #define BELL_NONE 0
 100 #define BELL_ANY 1
 101 #define BELL_CURRENT 2
 102
 103 /* Special key codes. */
 104 #define KEYC_NONE 0xfff
 105 #define KEYC_BASE 0x1000
 106
 107 /* Key modifier bits. */
 108 #define KEYC_ESCAPE 0x2000
 109 #define KEYC_CTRL 0x4000
 110 #define KEYC_SHIFT 0x8000
 111 #define KEYC_PREFIX 0x10000
 112
 113 /* Mask to obtain key w/o modifiers. */
 114 #define KEYC_MASK_MOD (KEYC_ESCAPE|KEYC_CTRL|KEYC_SHIFT|KEYC_PREFIX)
 115 #define KEYC_MASK_KEY (~KEYC_MASK_MOD)
 116
 117 /* Other key codes. */
 118 enum key_code {
 119         /* Mouse key. */
 120         KEYC_MOUSE = KEYC_BASE,
 121
 122         /* Backspace key. */
 123         KEYC_BSPACE,
 124
 125         /* Function keys. */
 126         KEYC_F1,
 127         KEYC_F2,
 128         KEYC_F3,
 129         KEYC_F4,
 130         KEYC_F5,
 131         KEYC_F6,
 132         KEYC_F7,
 133         KEYC_F8,
 134         KEYC_F9,
 135         KEYC_F10,
 136         KEYC_F11,
 137         KEYC_F12,
 138         KEYC_F13,
 139         KEYC_F14,
 140         KEYC_F15,
 141         KEYC_F16,
 142         KEYC_F17,
 143         KEYC_F18,
 144         KEYC_F19,
 145         KEYC_F20,
 146         KEYC_IC,
 147         KEYC_DC,
 148         KEYC_HOME,
 149         KEYC_END,
 150         KEYC_NPAGE,
 151         KEYC_PPAGE,
 152         KEYC_BTAB,
 153
 154         /* Arrow keys. */
 155         KEYC_UP,
 156         KEYC_DOWN,
 157         KEYC_LEFT,
 158         KEYC_RIGHT,
 159
 160         /* Numeric keypad. */
 161         KEYC_KP_SLASH,
 162         KEYC_KP_STAR,
 163         KEYC_KP_MINUS,
 164         KEYC_KP_SEVEN,
 165         KEYC_KP_EIGHT,
 166         KEYC_KP_NINE,
 167         KEYC_KP_PLUS,
 168         KEYC_KP_FOUR,
 169         KEYC_KP_FIVE,
 170         KEYC_KP_SIX,
 171         KEYC_KP_ONE,
 172         KEYC_KP_TWO,
 173         KEYC_KP_THREE,
 174         KEYC_KP_ENTER,
 175         KEYC_KP_ZERO,
 176         KEYC_KP_PERIOD,
 177 };
 178
 179 /* Termcap codes. */
 180 enum tty_code_code {
 181         TTYC_AX = 0,
 182         TTYC_ACSC,      /* acs_chars, ac */
 183         TTYC_BEL,       /* bell, bl */
 184         TTYC_BLINK,     /* enter_blink_mode, mb */
 185         TTYC_BOLD,      /* enter_bold_mode, md */
 186         TTYC_CIVIS,     /* cursor_invisible, vi */
 187         TTYC_CLEAR,     /* clear_screen, cl */
 188         TTYC_CNORM,     /* cursor_normal, ve */
 189         TTYC_COLORS,    /* max_colors, Co */
 190         TTYC_CSR,       /* change_scroll_region, cs */
 191         TTYC_CUB,       /* parm_left_cursor, LE */
 192         TTYC_CUB1,      /* cursor_left, le */
 193         TTYC_CUD,       /* parm_down_cursor, DO */
 194         TTYC_CUD1,      /* cursor_down, do */
 195         TTYC_CUF,       /* parm_right_cursor, RI */
 196         TTYC_CUF1,      /* cursor_right, nd */
 197         TTYC_CUP,       /* cursor_address, cm */
 198         TTYC_CUU,       /* parm_up_cursor, UP */
 199         TTYC_CUU1,      /* cursor_up, up */
 200         TTYC_DCH,       /* parm_dch, DC */
 201         TTYC_DCH1,      /* delete_character, dc */
 202         TTYC_DIM,       /* enter_dim_mode, mh */
 203         TTYC_DL,        /* parm_delete_line, DL */
 204         TTYC_DL1,       /* delete_line, dl */
 205         TTYC_EL,        /* clr_eol, ce */
 206         TTYC_EL1,       /* clr_bol, cb */
 207         TTYC_ENACS,     /* ena_acs, eA */
 208         TTYC_FSL,       /* from_status_line, fsl */
 209         TTYC_HOME,      /* cursor_home, ho */
 210         TTYC_HPA,       /* column_address, ch */
 211         TTYC_ICH,       /* parm_ich, IC */
 212         TTYC_ICH1,      /* insert_character, ic */
 213         TTYC_IL,        /* parm_insert_line, IL */
 214         TTYC_IL1,       /* insert_line, il */
 215         TTYC_INVIS,     /* enter_secure_mode, mk */
 216         TTYC_IS1,       /* init_1string, i1 */
 217         TTYC_IS2,       /* init_2string, i2 */
 218         TTYC_IS3,       /* init_3string, i3 */
 219         TTYC_KCBT,      /* key_btab, kB */
 220         TTYC_KCUB1,     /* key_left, kl */
 221         TTYC_KCUD1,     /* key_down, kd */
 222         TTYC_KCUF1,     /* key_right, kr */
 223         TTYC_KCUU1,     /* key_up, ku */
 224         TTYC_KDC2,
 225         TTYC_KDC3,
 226         TTYC_KDC4,
 227         TTYC_KDC5,
 228         TTYC_KDC6,
 229         TTYC_KDC7,
 230         TTYC_KDCH1,     /* key_dc, kD */
 231         TTYC_KDN2,
 232         TTYC_KDN3,
 233         TTYC_KDN4,
 234         TTYC_KDN5,
 235         TTYC_KDN6,
 236         TTYC_KDN7,
 237         TTYC_KEND,      /* key_end, ke */
 238         TTYC_KEND2,
 239         TTYC_KEND3,
 240         TTYC_KEND4,
 241         TTYC_KEND5,
 242         TTYC_KEND6,
 243         TTYC_KEND7,
 244         TTYC_KF1,       /* key_f1, k1 */
 245         TTYC_KF10,      /* key_f10, k; */
 246         TTYC_KF11,      /* key_f11, F1 */
 247         TTYC_KF12,      /* key_f12, F2 */
 248         TTYC_KF13,      /* key_f13, F3 */
 249         TTYC_KF14,      /* key_f14, F4 */
 250         TTYC_KF15,      /* key_f15, F5 */
 251         TTYC_KF16,      /* key_f16, F6 */
 252         TTYC_KF17,      /* key_f17, F7 */
 253         TTYC_KF18,      /* key_f18, F8 */
 254         TTYC_KF19,      /* key_f19, F9 */
 255         TTYC_KF2,       /* key_f2, k2 */
 256         TTYC_KF20,      /* key_f20, F10 */
 257         TTYC_KF3,       /* key_f3, k3 */
 258         TTYC_KF4,       /* key_f4, k4 */
 259         TTYC_KF5,       /* key_f5, k5 */
 260         TTYC_KF6,       /* key_f6, k6 */
 261         TTYC_KF7,       /* key_f7, k7 */
 262         TTYC_KF8,       /* key_f8, k8 */
 263         TTYC_KF9,       /* key_f9, k9 */
 264         TTYC_KHOM2,
 265         TTYC_KHOM3,
 266         TTYC_KHOM4,
 267         TTYC_KHOM5,
 268         TTYC_KHOM6,
 269         TTYC_KHOM7,
 270         TTYC_KHOME,     /* key_home, kh */
 271         TTYC_KIC2,
 272         TTYC_KIC3,
 273         TTYC_KIC4,
 274         TTYC_KIC5,
 275         TTYC_KIC6,
 276         TTYC_KIC7,
 277         TTYC_KICH1,     /* key_ic, kI */
 278         TTYC_KLFT2,
 279         TTYC_KLFT3,
 280         TTYC_KLFT4,
 281         TTYC_KLFT5,
 282         TTYC_KLFT6,
 283         TTYC_KLFT7,
 284         TTYC_KMOUS,     /* key_mouse, Km */
 285         TTYC_KNP,       /* key_npage, kN */
 286         TTYC_KNXT2,
 287         TTYC_KNXT3,
 288         TTYC_KNXT4,
 289         TTYC_KNXT5,
 290         TTYC_KNXT6,
 291         TTYC_KNXT7,
 292         TTYC_KPP,       /* key_ppage, kP */
 293         TTYC_KPRV2,
 294         TTYC_KPRV3,
 295         TTYC_KPRV4,
 296         TTYC_KPRV5,
 297         TTYC_KPRV6,
 298         TTYC_KPRV7,
 299         TTYC_KRIT2,
 300         TTYC_KRIT3,
 301         TTYC_KRIT4,
 302         TTYC_KRIT5,
 303         TTYC_KRIT6,
 304         TTYC_KRIT7,
 305         TTYC_KUP2,
 306         TTYC_KUP3,
 307         TTYC_KUP4,
 308         TTYC_KUP5,
 309         TTYC_KUP6,
 310         TTYC_KUP7,
 311         TTYC_OP,        /* orig_pair, op */
 312         TTYC_REV,       /* enter_reverse_mode, mr */
 313         TTYC_RI,        /* scroll_reverse, sr */
 314         TTYC_RMACS,     /* exit_alt_charset_mode */
 315         TTYC_RMCUP,     /* exit_ca_mode, te */
 316         TTYC_RMIR,      /* exit_insert_mode, ei */
 317         TTYC_RMKX,      /* keypad_local, ke */
 318         TTYC_SETAB,     /* set_a_background, AB */
 319         TTYC_SETAF,     /* set_a_foreground, AF */
 320         TTYC_SGR0,      /* exit_attribute_mode, me */
 321         TTYC_SITM,      /* enter_italics_mode, it */
 322         TTYC_SMACS,     /* enter_alt_charset_mode, as */
 323         TTYC_SMCUP,     /* enter_ca_mode, ti */
 324         TTYC_SMIR,      /* enter_insert_mode, im */
 325         TTYC_SMKX,      /* keypad_xmit, ks */
 326         TTYC_SMSO,      /* enter_standout_mode, so */
 327         TTYC_SMUL,      /* enter_underline_mode, us */
 328         TTYC_TSL,       /* to_status_line, tsl */
 329         TTYC_VPA,       /* row_address, cv */
 330         TTYC_XENL,      /* eat_newline_glitch, xn */
 331         TTYC_XT,        /* xterm(1)-compatible title, XT */
 332 };
 333 #define NTTYCODE (TTYC_XT + 1)
 334
 335 /* Termcap types. */
 336 enum tty_code_type {
 337         TTYCODE_NONE = 0,
 338         TTYCODE_STRING,
 339         TTYCODE_NUMBER,
 340         TTYCODE_FLAG,
 341 };
 342
 343 /* Termcap code. */
 344 struct tty_code {
 345         enum tty_code_type      type;
 346         union {
 347                 char           *string;
 348                 int             number;
 349                 int             flag;
 350         } value;
 351 };
 352
 353 /* Entry in terminal code table. */
 354 struct tty_term_code_entry {
 355         enum tty_code_code      code;
 356         enum tty_code_type      type;
 357         const char             *name;
 358 };
 359
 360 /* Message codes. */
 361 enum msgtype {
 362         MSG_COMMAND,
 363         MSG_DETACH,
 364         MSG_ERROR,
 365         MSG_EXIT,
 366         MSG_EXITED,
 367         MSG_EXITING,
 368         MSG_IDENTIFY,
 369         MSG_PRINT,
 370         MSG_READY,
 371         MSG_RESIZE,
 372         MSG_SHUTDOWN,
 373         MSG_SUSPEND,
 374         MSG_VERSION,
 375         MSG_WAKEUP,
 376         MSG_ENVIRON,
 377         MSG_UNLOCK,
 378         MSG_LOCK,
 379         MSG_SHELL,
 380         MSG_STDERR,
 381         MSG_STDOUT,
 382         MSG_DETACHKILL
 383 };
 384
 385 /*
 386  * Message data.
 387  *
 388  * Don't forget to bump PROTOCOL_VERSION if any of these change!
 389  */
 390 struct msg_command_data {
 391         pid_t           pid;    /* PID from $TMUX or -1 */
 392         int             idx;    /* index from $TMUX or -1 */
 393
 394         int             argc;
 395         char            argv[COMMAND_LENGTH];
 396 };
 397
 398 struct msg_identify_data {
 399         char            cwd[MAXPATHLEN];
 400
 401         char            term[TERMINAL_LENGTH];
 402
 403 #define IDENTIFY_UTF8 0x1
 404 #define IDENTIFY_256COLOURS 0x2
 405 #define IDENTIFY_88COLOURS 0x4
 406         int             flags;
 407 };
 408
 409 struct msg_lock_data {
 410         char            cmd[COMMAND_LENGTH];
 411 };
 412
 413 struct msg_environ_data {
 414         char            var[ENVIRON_LENGTH];
 415 };
 416
 417 struct msg_shell_data {
 418         char            shell[MAXPATHLEN];
 419 };
 420
 421 struct msg_exit_data {
 422         int             retcode;
 423 };
 424
 425 /* Mode key commands. */
 426 enum mode_key_cmd {
 427         MODEKEY_NONE,
 428         MODEKEY_OTHER,
 429
 430         /* Editing keys. */
 431         MODEKEYEDIT_BACKSPACE,
 432         MODEKEYEDIT_CANCEL,
 433         MODEKEYEDIT_COMPLETE,
 434         MODEKEYEDIT_CURSORLEFT,
 435         MODEKEYEDIT_CURSORRIGHT,
 436         MODEKEYEDIT_DELETE,
 437         MODEKEYEDIT_DELETELINE,
 438         MODEKEYEDIT_DELETETOENDOFLINE,
 439         MODEKEYEDIT_ENDOFLINE,
 440         MODEKEYEDIT_ENTER,
 441         MODEKEYEDIT_HISTORYDOWN,
 442         MODEKEYEDIT_HISTORYUP,
 443         MODEKEYEDIT_PASTE,
 444         MODEKEYEDIT_STARTOFLINE,
 445         MODEKEYEDIT_SWITCHMODE,
 446         MODEKEYEDIT_SWITCHMODEAPPEND,
 447         MODEKEYEDIT_TRANSPOSECHARS,
 448
 449         /* Menu (choice) keys. */
 450         MODEKEYCHOICE_CANCEL,
 451         MODEKEYCHOICE_CHOOSE,
 452         MODEKEYCHOICE_DOWN,
 453         MODEKEYCHOICE_PAGEDOWN,
 454         MODEKEYCHOICE_PAGEUP,
 455         MODEKEYCHOICE_SCROLLDOWN,
 456         MODEKEYCHOICE_SCROLLUP,
 457         MODEKEYCHOICE_UP,
 458
 459         /* Copy keys. */
 460         MODEKEYCOPY_BACKTOINDENTATION,
 461         MODEKEYCOPY_BOTTOMLINE,
 462         MODEKEYCOPY_CANCEL,
 463         MODEKEYCOPY_CLEARSELECTION,
 464         MODEKEYCOPY_COPYSELECTION,
 465         MODEKEYCOPY_DOWN,
 466         MODEKEYCOPY_ENDOFLINE,
 467         MODEKEYCOPY_GOTOLINE,
 468         MODEKEYCOPY_HALFPAGEDOWN,
 469         MODEKEYCOPY_HALFPAGEUP,
 470         MODEKEYCOPY_HISTORYBOTTOM,
 471         MODEKEYCOPY_HISTORYTOP,
 472         MODEKEYCOPY_JUMP,
 473         MODEKEYCOPY_JUMPAGAIN,
 474         MODEKEYCOPY_JUMPREVERSE,
 475         MODEKEYCOPY_JUMPBACK,
 476         MODEKEYCOPY_LEFT,
 477         MODEKEYCOPY_MIDDLELINE,
 478         MODEKEYCOPY_NEXTPAGE,
 479         MODEKEYCOPY_NEXTSPACE,
 480         MODEKEYCOPY_NEXTSPACEEND,
 481         MODEKEYCOPY_NEXTWORD,
 482         MODEKEYCOPY_NEXTWORDEND,
 483         MODEKEYCOPY_PREVIOUSPAGE,
 484         MODEKEYCOPY_PREVIOUSSPACE,
 485         MODEKEYCOPY_PREVIOUSWORD,
 486         MODEKEYCOPY_RECTANGLETOGGLE,
 487         MODEKEYCOPY_RIGHT,
 488         MODEKEYCOPY_SCROLLDOWN,
 489         MODEKEYCOPY_SCROLLUP,
 490         MODEKEYCOPY_SEARCHAGAIN,
 491         MODEKEYCOPY_SEARCHDOWN,
 492         MODEKEYCOPY_SEARCHREVERSE,
 493         MODEKEYCOPY_SEARCHUP,
 494         MODEKEYCOPY_STARTNUMBERPREFIX,
 495         MODEKEYCOPY_STARTOFLINE,
 496         MODEKEYCOPY_STARTSELECTION,
 497         MODEKEYCOPY_TOPLINE,
 498         MODEKEYCOPY_UP,
 499 };
 500
 501 /* Entry in the default mode key tables. */
 502 struct mode_key_entry {
 503         int                     key;
 504
 505         /*
 506          * Editing mode for vi: 0 is edit mode, keys not in the table are
 507          * returned as MODEKEY_OTHER; 1 is command mode, keys not in the table
 508          * are returned as MODEKEY_NONE. This is also matched on, allowing some
 509          * keys to be bound in edit mode.
 510          */
 511         int                     mode;
 512         enum mode_key_cmd       cmd;
 513 };
 514
 515 /* Data required while mode keys are in use. */
 516 struct mode_key_data {
 517         struct mode_key_tree   *tree;
 518         int                     mode;
 519 };
 520 #define MODEKEY_EMACS 0
 521 #define MODEKEY_VI 1
 522
 523 /* Binding between a key and a command. */
 524 struct mode_key_binding {
 525         int                     key;
 526
 527         int                     mode;
 528         enum mode_key_cmd       cmd;
 529
 530         SPLAY_ENTRY(mode_key_binding) entry;
 531 };
 532 SPLAY_HEAD(mode_key_tree, mode_key_binding);
 533
 534 /* Command to string mapping. */
 535 struct mode_key_cmdstr {
 536         enum mode_key_cmd        cmd;
 537         const char              *name;
 538 };
 539
 540 /* Named mode key table description. */
 541 struct mode_key_table {
 542         const char                      *name;
 543         const struct mode_key_cmdstr    *cmdstr;
 544         struct mode_key_tree            *tree;
 545         const struct mode_key_entry     *table; /* default entries */
 546 };
 547
 548 /* Modes. */
 549 #define MODE_CURSOR 0x1
 550 #define MODE_INSERT 0x2
 551 #define MODE_KCURSOR 0x4
 552 #define MODE_KKEYPAD 0x8        /* set = application, clear = number */
 553 #define MODE_WRAP 0x10          /* whether lines wrap */
 554 #define MODE_MOUSE_STANDARD 0x20
 555 #define MODE_MOUSE_BUTTON 0x40
 556 #define MODE_MOUSE_ANY 0x80
 557 #define MODE_MOUSE_UTF8 0x100
 558
 559 #define ALL_MOUSE_MODES (MODE_MOUSE_STANDARD|MODE_MOUSE_BUTTON|MODE_MOUSE_ANY)
 560
 561 /*
 562  * A single UTF-8 character.
 563  *
 564  * The data member in this must be UTF8_SIZE to allow screen_write_copy to
 565  * reinject stored UTF-8 data back into screen_write_cell after combining (ugh
 566  * XXX XXX).
 567  */
 568 struct utf8_data {
 569         u_char  data[UTF8_SIZE];
 570
 571         size_t  have;
 572         size_t  size;
 573
 574         u_int   width;
 575 };
 576
 577 /* Grid output. */
 578 #if defined(DEBUG) && \
 579     ((defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
 580      (defined(__GNUC__) && __GNUC__ >= 3))
 581 #define GRID_DEBUG(gd, fmt, ...) log_debug2("%s: (sx=%u, sy=%u, hsize=%u) " \
 582     fmt, __func__, (gd)->sx, (gd)->sy, (gd)->hsize, ## __VA_ARGS__)
 583 #else
 584 #define GRID_DEBUG(...)
 585 #endif
 586
 587 /* Grid attributes. */
 588 #define GRID_ATTR_BRIGHT 0x1
 589 #define GRID_ATTR_DIM 0x2
 590 #define GRID_ATTR_UNDERSCORE 0x4
 591 #define GRID_ATTR_BLINK 0x8
 592 #define GRID_ATTR_REVERSE 0x10
 593 #define GRID_ATTR_HIDDEN 0x20
 594 #define GRID_ATTR_ITALICS 0x40
 595 #define GRID_ATTR_CHARSET 0x80  /* alternative character set */
 596
 597 /* Grid flags. */
 598 #define GRID_FLAG_FG256 0x1
 599 #define GRID_FLAG_BG256 0x2
 600 #define GRID_FLAG_PADDING 0x4
 601 #define GRID_FLAG_UTF8 0x8
 602
 603 /* Grid line flags. */
 604 #define GRID_LINE_WRAPPED 0x1
 605
 606 /* Grid cell data. */
 607 struct grid_cell {
 608         u_char  attr;
 609         u_char  flags;
 610         u_char  fg;
 611         u_char  bg;
 612         u_char  data;
 613 } __packed;
 614
 615 /* Grid cell UTF-8 data. Used instead of data in grid_cell for UTF-8 cells. */
 616 struct grid_utf8 {
 617         u_char  width;
 618         u_char  data[UTF8_SIZE];
 619 } __packed;
 620
 621 /* Grid line. */
 622 struct grid_line {
 623         u_int   cellsize;
 624         struct grid_cell *celldata;
 625
 626         u_int   utf8size;
 627         struct grid_utf8 *utf8data;
 628
 629         int     flags;
 630 } __packed;
 631
 632 /* Entire grid of cells. */
 633 struct grid {
 634         int     flags;
 635 #define GRID_HISTORY 0x1        /* scroll lines into history */
 636
 637         u_int   sx;
 638         u_int   sy;
 639
 640         u_int   hsize;
 641         u_int   hlimit;
 642
 643         struct grid_line *linedata;
 644 };
 645
 646 /* Option data structures. */
 647 struct options_entry {
 648         char            *name;
 649
 650         enum {
 651                 OPTIONS_STRING,
 652                 OPTIONS_NUMBER,
 653                 OPTIONS_DATA,
 654         } type;
 655
 656         char            *str;
 657         long long        num;
 658         void            *data;
 659
 660         void             (*freefn)(void *);
 661
 662         SPLAY_ENTRY(options_entry) entry;
 663 };
 664
 665 struct options {
 666         SPLAY_HEAD(options_tree, options_entry) tree;
 667         struct options  *parent;
 668 };
 669
 670 /* Key list for prefix option. */
 671 ARRAY_DECL(keylist, int);
 672
 673 /* Scheduled job. */
 674 struct job {
 675         char            *cmd;
 676         pid_t            pid;
 677         int              status;
 678
 679         int              fd;
 680         struct bufferevent *event;
 681
 682         void            (*callbackfn)(struct job *);
 683         void            (*freefn)(void *);
 684         void            *data;
 685
 686         LIST_ENTRY(job)  lentry;
 687 };
 688 LIST_HEAD(joblist, job);
 689
 690 /* Screen selection. */
 691 struct screen_sel {
 692         int              flag;
 693         int              rectflag;
 694
 695         u_int            sx;
 696         u_int            sy;
 697
 698         u_int            ex;
 699         u_int            ey;
 700
 701         struct grid_cell cell;
 702 };
 703
 704 /* Virtual screen. */
 705 struct screen {
 706         char            *title;
 707
 708         struct grid     *grid;          /* grid data */
 709
 710         u_int            cx;            /* cursor x */
 711         u_int            cy;            /* cursor y */
 712
 713         u_int            rupper;        /* scroll region top */
 714         u_int            rlower;        /* scroll region bottom */
 715
 716         int              mode;
 717
 718         bitstr_t        *tabs;
 719
 720         struct screen_sel sel;
 721 };
 722
 723 /* Screen write context. */
 724 struct screen_write_ctx {
 725         struct window_pane *wp;
 726         struct screen   *s;
 727 };
 728
 729 /* Screen size. */
 730 #define screen_size_x(s) ((s)->grid->sx)
 731 #define screen_size_y(s) ((s)->grid->sy)
 732 #define screen_hsize(s) ((s)->grid->hsize)
 733 #define screen_hlimit(s) ((s)->grid->hlimit)
 734
 735 /* Input parser context. */
 736 struct input_ctx {
 737         struct window_pane     *wp;
 738         struct screen_write_ctx ctx;
 739
 740         struct grid_cell        cell;
 741
 742         struct grid_cell        old_cell;
 743         u_int                   old_cx;
 744         u_int                   old_cy;
 745
 746         u_char                  interm_buf[4];
 747         size_t                  interm_len;
 748
 749         u_char                  param_buf[64];
 750         size_t                  param_len;
 751
 752         u_char                  input_buf[256];
 753         size_t                  input_len;
 754
 755         int                     param_list[24]; /* -1 not present */
 756         u_int                   param_list_len;
 757
 758         struct utf8_data        utf8data;
 759
 760         int                     ch;
 761         int                     flags;
 762 #define INPUT_DISCARD 0x1
 763
 764         const struct input_state *state;
 765 };
 766
 767 /*
 768  * Window mode. Windows can be in several modes and this is used to call the
 769  * right function to handle input and output.
 770  */
 771 struct session;
 772 struct window;
 773 struct mouse_event;
 774 struct window_mode {
 775         struct screen *(*init)(struct window_pane *);
 776         void    (*free)(struct window_pane *);
 777         void    (*resize)(struct window_pane *, u_int, u_int);
 778         void    (*key)(struct window_pane *, struct session *, int);
 779         void    (*mouse)(struct window_pane *,
 780                     struct session *, struct mouse_event *);
 781         void    (*timer)(struct window_pane *);
 782 };
 783
 784 /* Child window structure. */
 785 struct window_pane {
 786         u_int            id;
 787
 788         struct window   *window;
 789         struct layout_cell *layout_cell;
 790
 791         u_int            sx;
 792         u_int            sy;
 793
 794         u_int            xoff;
 795         u_int            yoff;
 796
 797         int              flags;
 798 #define PANE_REDRAW 0x1
 799 #define PANE_FREEZE 0x2
 800
 801         char            *cmd;
 802         char            *shell;
 803         char            *cwd;
 804
 805         pid_t            pid;
 806         char             tty[TTY_NAME_MAX];
 807
 808         int              fd;
 809         struct bufferevent *event;
 810
 811         struct input_ctx ictx;
 812
 813         int              pipe_fd;
 814         struct bufferevent *pipe_event;
 815         size_t           pipe_off;
 816
 817         struct screen   *screen;
 818         struct screen    base;
 819
 820         /* Saved in alternative screen mode. */
 821         u_int            saved_cx;
 822         u_int            saved_cy;
 823         struct grid     *saved_grid;
 824         struct grid_cell saved_cell;
 825
 826         const struct window_mode *mode;
 827         void            *modedata;
 828
 829         TAILQ_ENTRY(window_pane) entry;
 830         RB_ENTRY(window_pane) tree_entry;
 831 };
 832 TAILQ_HEAD(window_panes, window_pane);
 833 RB_HEAD(window_pane_tree, window_pane);
 834
 835 /* Window structure. */
 836 struct window {
 837         char            *name;
 838         struct event     name_timer;
 839         struct timeval   silence_timer;
 840
 841         struct window_pane *active;
 842         struct window_pane *last;
 843         struct window_panes panes;
 844
 845         int              lastlayout;
 846         struct layout_cell *layout_root;
 847
 848         u_int            sx;
 849         u_int            sy;
 850
 851         int              flags;
 852 #define WINDOW_BELL 0x1
 853 #define WINDOW_ACTIVITY 0x2
 854 #define WINDOW_REDRAW 0x4
 855 #define WINDOW_SILENCE 0x8
 856
 857         struct options   options;
 858
 859         u_int            references;
 860 };
 861 ARRAY_DECL(windows, struct window *);
 862
 863 /* Entry on local window list. */
 864 struct winlink {
 865         int              idx;
 866         struct window   *window;
 867
 868         size_t           status_width;
 869         struct grid_cell status_cell;
 870         char            *status_text;
 871
 872         int              flags;
 873 #define WINLINK_BELL 0x1
 874 #define WINLINK_ACTIVITY 0x2
 875 #define WINLINK_CONTENT 0x4
 876 #define WINLINK_SILENCE 0x8
 877 #define WINLINK_ALERTFLAGS \
 878     (WINLINK_BELL|WINLINK_ACTIVITY|WINLINK_CONTENT|WINLINK_SILENCE)
 879
 880         RB_ENTRY(winlink) entry;
 881         TAILQ_ENTRY(winlink) sentry;
 882 };
 883 RB_HEAD(winlinks, winlink);
 884 TAILQ_HEAD(winlink_stack, winlink);
 885
 886 /* Layout direction. */
 887 enum layout_type {
 888         LAYOUT_LEFTRIGHT,
 889         LAYOUT_TOPBOTTOM,
 890         LAYOUT_WINDOWPANE
 891 };
 892
 893 /* Layout cells queue. */
 894 TAILQ_HEAD(layout_cells, layout_cell);
 895
 896 /* Layout cell. */
 897 struct layout_cell {
 898         enum layout_type type;
 899
 900         struct layout_cell *parent;
 901
 902         u_int            sx;
 903         u_int            sy;
 904
 905         u_int            xoff;
 906         u_int            yoff;
 907
 908         struct window_pane *wp;
 909         struct layout_cells cells;
 910
 911         TAILQ_ENTRY(layout_cell) entry;
 912 };
 913
 914 /* Paste buffer. */
 915 struct paste_buffer {
 916         char            *data;
 917         size_t           size;
 918 };
 919 ARRAY_DECL(paste_stack, struct paste_buffer *);
 920
 921 /* Environment variable. */
 922 struct environ_entry {
 923         char            *name;
 924         char            *value;
 925
 926         RB_ENTRY(environ_entry) entry;
 927 };
 928 RB_HEAD(environ, environ_entry);
 929
 930 /* Client session. */
 931 struct session_group {
 932         TAILQ_HEAD(, session) sessions;
 933
 934         TAILQ_ENTRY(session_group) entry;
 935 };
 936 TAILQ_HEAD(session_groups, session_group);
 937
 938 struct session {
 939         u_int            idx;
 940
 941         char            *name;
 942         char            *cwd;
 943
 944         struct timeval   creation_time;
 945         struct timeval   activity_time;
 946
 947         u_int            sx;
 948         u_int            sy;
 949
 950         struct winlink  *curw;
 951         struct winlink_stack lastw;
 952         struct winlinks  windows;
 953
 954         struct options   options;
 955
 956 #define SESSION_UNATTACHED 0x1  /* not attached to any clients */
 957         int              flags;
 958
 959         struct termios  *tio;
 960
 961         struct environ   environ;
 962
 963         int              wlmouse;
 964
 965         int              references;
 966
 967         TAILQ_ENTRY(session) gentry;
 968         RB_ENTRY(session)    entry;
 969 };
 970 RB_HEAD(sessions, session);
 971 ARRAY_DECL(sessionslist, struct session *);
 972
 973 /* TTY information. */
 974 struct tty_key {
 975         char             ch;
 976         int              key;
 977
 978         struct tty_key  *left;
 979         struct tty_key  *right;
 980
 981         struct tty_key  *next;
 982 };
 983
 984 struct tty_term {
 985         char            *name;
 986         u_int            references;
 987
 988         char             acs[UCHAR_MAX + 1][2];
 989
 990         struct tty_code  codes[NTTYCODE];
 991
 992 #define TERM_256COLOURS 0x1
 993 #define TERM_88COLOURS 0x2
 994 #define TERM_EARLYWRAP 0x4
 995         int              flags;
 996
 997         LIST_ENTRY(tty_term) entry;
 998 };
 999 LIST_HEAD(tty_terms, tty_term);
1000
1001 struct tty {
1002         char            *path;
1003
1004         u_int            sx;
1005         u_int            sy;
1006
1007         u_int            cx;
1008         u_int            cy;
1009
1010         int              mode;
1011
1012         u_int            rlower;
1013         u_int            rupper;
1014
1015         char            *termname;
1016         struct tty_term *term;
1017
1018         int              fd;
1019         struct bufferevent *event;
1020
1021         int              log_fd;
1022
1023         struct termios   tio;
1024
1025         struct grid_cell cell;
1026
1027 #define TTY_NOCURSOR 0x1
1028 #define TTY_FREEZE 0x2
1029 #define TTY_ESCAPE 0x4
1030 #define TTY_UTF8 0x8
1031 #define TTY_STARTED 0x10
1032 #define TTY_OPENED 0x20
1033 #define TTY_BACKOFF 0x40
1034         int              flags;
1035
1036         int              term_flags;
1037
1038         void             (*key_callback)(int, struct mouse_event *, void *);
1039         void            *key_data;
1040         struct event     key_timer;
1041         struct tty_key  *key_tree;
1042 };
1043
1044 /* TTY command context and function pointer. */
1045 struct tty_ctx {
1046         struct window_pane *wp;
1047
1048         const struct grid_cell *cell;
1049         const struct grid_utf8 *utf8;
1050
1051         u_int            num;
1052         void            *ptr;
1053
1054         /*
1055          * Cursor and region position before the screen was updated - this is
1056          * where the command should be applied; the values in the screen have
1057          * already been updated.
1058          */
1059         u_int            ocx;
1060         u_int            ocy;
1061
1062         u_int            orupper;
1063         u_int            orlower;
1064
1065         /* Saved last cell on line. */
1066         struct grid_cell last_cell;
1067         struct grid_utf8 last_utf8;
1068         u_int            last_width;
1069 };
1070
1071 /*
1072  * xterm mouse mode is fairly silly. Buttons are in the bottom two
1073  * bits: 0 button 1; 1 button 2; 2 button 3; 3 buttons released.
1074  *
1075  * Bit 3 is shift; bit 4 is meta; bit 5 control.
1076  *
1077  * Bit 6 is added for mouse buttons 4 and 5.
1078  */
1079 /* Mouse input. */
1080 struct mouse_event {
1081         u_int   b;
1082 #define MOUSE_1 0
1083 #define MOUSE_2 1
1084 #define MOUSE_3 2
1085 #define MOUSE_UP 3
1086 #define MOUSE_BUTTON 3
1087 #define MOUSE_DRAG 32
1088 #define MOUSE_45 64
1089         u_int   x;
1090         u_int   y;
1091 };
1092
1093 /* Saved message entry. */
1094 struct message_entry {
1095         char   *msg;
1096         time_t  msg_time;
1097 };
1098
1099 /* Status output data from a job. */
1100 struct status_out {
1101         char   *cmd;
1102         char   *out;
1103
1104         RB_ENTRY(status_out) entry;
1105 };
1106 RB_HEAD(status_out_tree, status_out);
1107
1108 /* Client connection. */
1109 struct client {
1110         struct imsgbuf   ibuf;
1111         struct event     event;
1112         int              retcode;
1113
1114         struct timeval   creation_time;
1115         struct timeval   activity_time;
1116
1117         struct environ   environ;
1118
1119         char            *title;
1120         char            *cwd;
1121
1122         struct tty       tty;
1123
1124         int              stdin_fd;
1125         void            *stdin_data;
1126         void            (*stdin_callback)(struct client *, void *);
1127         struct bufferevent *stdin_event;
1128
1129         int              stdout_fd;
1130         struct bufferevent *stdout_event;
1131
1132         int              stderr_fd;
1133         struct bufferevent *stderr_event;
1134
1135         struct event     repeat_timer;
1136
1137         struct status_out_tree status_old;
1138         struct status_out_tree status_new;
1139         struct timeval   status_timer;
1140         struct screen    status;
1141
1142 #define CLIENT_TERMINAL 0x1
1143 #define CLIENT_PREFIX 0x2
1144 #define CLIENT_EXIT 0x4
1145 #define CLIENT_REDRAW 0x8
1146 #define CLIENT_STATUS 0x10
1147 #define CLIENT_REPEAT 0x20      /* allow command to repeat within repeat time */
1148 #define CLIENT_SUSPENDED 0x40
1149 #define CLIENT_BAD 0x80
1150 #define CLIENT_IDENTIFY 0x100
1151 #define CLIENT_DEAD 0x200
1152 #define CLIENT_BORDERS 0x400
1153 #define CLIENT_READONLY 0x800
1154 #define CLIENT_BACKOFF 0x1000
1155 #define CLIENT_REDRAWWINDOW 0x2000
1156         int              flags;
1157
1158         struct event     identify_timer;
1159
1160         char            *message_string;
1161         struct event     message_timer;
1162         ARRAY_DECL(, struct message_entry) message_log;
1163
1164         char            *prompt_string;
1165         char            *prompt_buffer;
1166         size_t           prompt_index;
1167         int              (*prompt_callbackfn)(void *, const char *);
1168         void             (*prompt_freefn)(void *);
1169         void            *prompt_data;
1170         u_int            prompt_hindex;
1171
1172 #define PROMPT_SINGLE 0x1
1173         int              prompt_flags;
1174
1175         struct mode_key_data prompt_mdata;
1176
1177         struct session  *session;
1178         struct session  *last_session;
1179
1180         int              references;
1181 };
1182 ARRAY_DECL(clients, struct client *);
1183
1184 /* Parsed arguments. */
1185 struct args {
1186         bitstr_t        *flags;
1187         char            *values[SCHAR_MAX]; /* XXX This is awfully big. */
1188
1189         int              argc;
1190         char           **argv;
1191 };
1192
1193 /* Key/command line command. */
1194 struct cmd_ctx {
1195         /*
1196          * curclient is the client where this command was executed if inside
1197          * tmux. This is NULL if the command came from the command-line.
1198          *
1199          * cmdclient is the client which sent the MSG_COMMAND to the server, if
1200          * any. This is NULL unless the command came from the command-line.
1201          *
1202          * cmdclient and curclient may both be NULL if the command is in the
1203          * configuration file.
1204          */
1205         struct client  *curclient;
1206         struct client  *cmdclient;
1207
1208         struct msg_command_data *msgdata;
1209
1210         /* gcc2 doesn't understand attributes on function pointers... */
1211 #if defined(__GNUC__) && __GNUC__ >= 3
1212         void printflike2 (*print)(struct cmd_ctx *, const char *, ...);
1213         void printflike2 (*info)(struct cmd_ctx *, const char *, ...);
1214         void printflike2 (*error)(struct cmd_ctx *, const char *, ...);
1215 #else
1216         void (*print)(struct cmd_ctx *, const char *, ...);
1217         void (*info)(struct cmd_ctx *, const char *, ...);
1218         void (*error)(struct cmd_ctx *, const char *, ...);
1219 #endif
1220 };
1221
1222 struct cmd {
1223         const struct cmd_entry  *entry;
1224         struct args             *args;
1225
1226         TAILQ_ENTRY(cmd)         qentry;
1227 };
1228 struct cmd_list {
1229         int                      references;
1230         TAILQ_HEAD(, cmd)        list;
1231 };
1232
1233 struct cmd_entry {
1234         const char      *name;
1235         const char      *alias;
1236
1237         const char      *args_template;
1238         int              args_lower;
1239         int              args_upper;
1240
1241         const char      *usage;
1242
1243 #define CMD_STARTSERVER 0x1
1244 #define CMD_CANTNEST 0x2
1245 #define CMD_SENDENVIRON 0x4
1246 #define CMD_READONLY 0x8
1247         int              flags;
1248
1249         void             (*key_binding)(struct cmd *, int);
1250         int              (*check)(struct args *);
1251         int              (*exec)(struct cmd *, struct cmd_ctx *);
1252 };
1253
1254 /* Key binding. */
1255 struct key_binding {
1256         int              key;
1257         struct cmd_list *cmdlist;
1258         int              can_repeat;
1259
1260         SPLAY_ENTRY(key_binding) entry;
1261 };
1262 SPLAY_HEAD(key_bindings, key_binding);
1263
1264 /*
1265  * Option table entries. The option table is the user-visible part of the
1266  * option, as opposed to the internal options (struct option) which are just
1267  * number or string.
1268  */
1269 enum options_table_type {
1270         OPTIONS_TABLE_STRING,
1271         OPTIONS_TABLE_NUMBER,
1272         OPTIONS_TABLE_KEYS,
1273         OPTIONS_TABLE_COLOUR,
1274         OPTIONS_TABLE_ATTRIBUTES,
1275         OPTIONS_TABLE_FLAG,
1276         OPTIONS_TABLE_CHOICE
1277 };
1278
1279 struct options_table_entry {
1280         const char             *name;
1281         enum options_table_type type;
1282
1283         u_int                   minimum;
1284         u_int                   maximum;
1285         const char            **choices;
1286
1287         const char             *default_str;
1288         long long               default_num;
1289 };
1290
1291 /* List of configuration causes. */
1292 ARRAY_DECL(causelist, char *);
1293
1294 /* Common command usages. */
1295 #define CMD_TARGET_PANE_USAGE "[-t target-pane]"
1296 #define CMD_TARGET_WINDOW_USAGE "[-t target-window]"
1297 #define CMD_TARGET_SESSION_USAGE "[-t target-session]"
1298 #define CMD_TARGET_CLIENT_USAGE "[-t target-client]"
1299 #define CMD_SRCDST_PANE_USAGE "[-s src-pane] [-t dst-pane]"
1300 #define CMD_SRCDST_WINDOW_USAGE "[-s src-window] [-t dst-window]"
1301 #define CMD_SRCDST_SESSION_USAGE "[-s src-session] [-t dst-session]"
1302 #define CMD_SRCDST_CLIENT_USAGE "[-s src-client] [-t dst-client]"
1303 #define CMD_BUFFER_USAGE "[-b buffer-index]"
1304
1305 /* tmux.c */
1306 extern struct options global_options;
1307 extern struct options global_s_options;
1308 extern struct options global_w_options;
1309 extern struct environ global_environ;
1310 extern struct event_base *ev_base;
1311 extern char     *cfg_file;
1312 extern char     *shell_cmd;
1313 extern int       debug_level;
1314 extern time_t    start_time;
1315 extern char      socket_path[MAXPATHLEN];
1316 extern int       login_shell;
1317 extern char     *environ_path;
1318 extern pid_t     environ_pid;
1319 extern int       environ_idx;
1320 void             logfile(const char *);
1321 const char      *getshell(void);
1322 int              checkshell(const char *);
1323 int              areshell(const char *);
1324 void             setblocking(int, int);
1325 __dead void      shell_exec(const char *, const char *);
1326
1327 /* cfg.c */
1328 extern int       cfg_finished;
1329 extern struct causelist cfg_causes;
1330 void printflike2 cfg_add_cause(struct causelist *, const char *, ...);
1331 int              load_cfg(const char *, struct cmd_ctx *, struct causelist *);
1332
1333 /* mode-key.c */
1334 extern const struct mode_key_table mode_key_tables[];
1335 extern struct mode_key_tree mode_key_tree_vi_edit;
1336 extern struct mode_key_tree mode_key_tree_vi_choice;
1337 extern struct mode_key_tree mode_key_tree_vi_copy;
1338 extern struct mode_key_tree mode_key_tree_emacs_edit;
1339 extern struct mode_key_tree mode_key_tree_emacs_choice;
1340 extern struct mode_key_tree mode_key_tree_emacs_copy;
1341 int     mode_key_cmp(struct mode_key_binding *, struct mode_key_binding *);
1342 SPLAY_PROTOTYPE(mode_key_tree, mode_key_binding, entry, mode_key_cmp);
1343 const char *mode_key_tostring(const struct mode_key_cmdstr *,
1344             enum mode_key_cmd);
1345 enum mode_key_cmd mode_key_fromstring(const struct mode_key_cmdstr *,
1346             const char *);
1347 const struct mode_key_table *mode_key_findtable(const char *);
1348 void    mode_key_init_trees(void);
1349 void    mode_key_init(struct mode_key_data *, struct mode_key_tree *);
1350 enum mode_key_cmd mode_key_lookup(struct mode_key_data *, int);
1351
1352 /* options.c */
1353 int     options_cmp(struct options_entry *, struct options_entry *);
1354 SPLAY_PROTOTYPE(options_tree, options_entry, entry, options_cmp);
1355 void    options_init(struct options *, struct options *);
1356 void    options_free(struct options *);
1357 struct options_entry *options_find1(struct options *, const char *);
1358 struct options_entry *options_find(struct options *, const char *);
1359 void    options_remove(struct options *, const char *);
1360 struct options_entry *printflike3 options_set_string(
1361             struct options *, const char *, const char *, ...);
1362 char   *options_get_string(struct options *, const char *);
1363 struct options_entry *options_set_number(
1364             struct options *, const char *, long long);
1365 long long options_get_number(struct options *, const char *);
1366 struct options_entry *options_set_data(
1367             struct options *, const char *, void *, void (*)(void *));
1368 void   *options_get_data(struct options *, const char *);
1369
1370 /* options-table.c */
1371 extern const struct options_table_entry server_options_table[];
1372 extern const struct options_table_entry session_options_table[];
1373 extern const struct options_table_entry window_options_table[];
1374 void    options_table_populate_tree(
1375             const struct options_table_entry *, struct options *);
1376 const char *options_table_print_entry(
1377             const struct options_table_entry *, struct options_entry *);
1378
1379 /* job.c */
1380 extern struct joblist all_jobs;
1381 struct job *job_run(
1382             const char *, void (*)(struct job *), void (*)(void *), void *);
1383 void    job_free(struct job *);
1384 void    job_died(struct job *, int);
1385
1386 /* environ.c */
1387 int     environ_cmp(struct environ_entry *, struct environ_entry *);
1388 RB_PROTOTYPE(environ, environ_entry, entry, environ_cmp);
1389 void    environ_init(struct environ *);
1390 void    environ_free(struct environ *);
1391 void    environ_copy(struct environ *, struct environ *);
1392 struct environ_entry *environ_find(struct environ *, const char *);
1393 void    environ_set(struct environ *, const char *, const char *);
1394 void    environ_put(struct environ *, const char *);
1395 void    environ_unset(struct environ *, const char *);
1396 void    environ_update(const char *, struct environ *, struct environ *);
1397 void    environ_push(struct environ *);
1398
1399 /* tty.c */
1400 void    tty_raw(struct tty *, const char *);
1401 void    tty_attributes(struct tty *, const struct grid_cell *);
1402 void    tty_reset(struct tty *);
1403 void    tty_region_pane(struct tty *, const struct tty_ctx *, u_int, u_int);
1404 void    tty_region(struct tty *, u_int, u_int);
1405 void    tty_cursor_pane(struct tty *, const struct tty_ctx *, u_int, u_int);
1406 void    tty_cursor(struct tty *, u_int, u_int);
1407 void    tty_putcode(struct tty *, enum tty_code_code);
1408 void    tty_putcode1(struct tty *, enum tty_code_code, int);
1409 void    tty_putcode2(struct tty *, enum tty_code_code, int, int);
1410 void    tty_puts(struct tty *, const char *);
1411 void    tty_putc(struct tty *, u_char);
1412 void    tty_pututf8(struct tty *, const struct grid_utf8 *);
1413 void    tty_init(struct tty *, int, char *);
1414 int     tty_resize(struct tty *);
1415 void    tty_start_tty(struct tty *);
1416 void    tty_stop_tty(struct tty *);
1417 void    tty_set_title(struct tty *, const char *);
1418 void    tty_update_mode(struct tty *, int);
1419 void    tty_draw_line(struct tty *, struct screen *, u_int, u_int, u_int);
1420 int     tty_open(struct tty *, const char *, char **);
1421 void    tty_close(struct tty *);
1422 void    tty_free(struct tty *);
1423 void    tty_write(void (*)(
1424             struct tty *, const struct tty_ctx *), const struct tty_ctx *);
1425 void    tty_cmd_alignmenttest(struct tty *, const struct tty_ctx *);
1426 void    tty_cmd_cell(struct tty *, const struct tty_ctx *);
1427 void    tty_cmd_clearendofline(struct tty *, const struct tty_ctx *);
1428 void    tty_cmd_clearendofscreen(struct tty *, const struct tty_ctx *);
1429 void    tty_cmd_clearline(struct tty *, const struct tty_ctx *);
1430 void    tty_cmd_clearscreen(struct tty *, const struct tty_ctx *);
1431 void    tty_cmd_clearstartofline(struct tty *, const struct tty_ctx *);
1432 void    tty_cmd_clearstartofscreen(struct tty *, const struct tty_ctx *);
1433 void    tty_cmd_deletecharacter(struct tty *, const struct tty_ctx *);
1434 void    tty_cmd_deleteline(struct tty *, const struct tty_ctx *);
1435 void    tty_cmd_erasecharacter(struct tty *, const struct tty_ctx *);
1436 void    tty_cmd_insertcharacter(struct tty *, const struct tty_ctx *);
1437 void    tty_cmd_insertline(struct tty *, const struct tty_ctx *);
1438 void    tty_cmd_linefeed(struct tty *, const struct tty_ctx *);
1439 void    tty_cmd_utf8character(struct tty *, const struct tty_ctx *);
1440 void    tty_cmd_reverseindex(struct tty *, const struct tty_ctx *);
1441 void    tty_cmd_rawstring(struct tty *, const struct tty_ctx *);
1442
1443 /* tty-term.c */
1444 extern struct tty_terms tty_terms;
1445 extern const struct tty_term_code_entry tty_term_codes[NTTYCODE];
1446 struct tty_term *tty_term_find(char *, int, const char *, char **);
1447 void             tty_term_free(struct tty_term *);
1448 int              tty_term_has(struct tty_term *, enum tty_code_code);
1449 const char      *tty_term_string(struct tty_term *, enum tty_code_code);
1450 const char      *tty_term_string1(struct tty_term *, enum tty_code_code, int);
1451 const char      *tty_term_string2(
1452                      struct tty_term *, enum tty_code_code, int, int);
1453 int              tty_term_number(struct tty_term *, enum tty_code_code);
1454 int              tty_term_flag(struct tty_term *, enum tty_code_code);
1455
1456 /* tty-acs.c */
1457 const char      *tty_acs_get(struct tty *, u_char);
1458
1459 /* tty-keys.c */
1460 void    tty_keys_init(struct tty *);
1461 void    tty_keys_free(struct tty *);
1462 int     tty_keys_next(struct tty *);
1463
1464 /* paste.c */
1465 struct paste_buffer *paste_walk_stack(struct paste_stack *, u_int *);
1466 struct paste_buffer *paste_get_top(struct paste_stack *);
1467 struct paste_buffer *paste_get_index(struct paste_stack *, u_int);
1468 int              paste_free_top(struct paste_stack *);
1469 int              paste_free_index(struct paste_stack *, u_int);
1470 void             paste_add(struct paste_stack *, char *, size_t, u_int);
1471 int              paste_replace(struct paste_stack *, u_int, char *, size_t);
1472 char            *paste_print(struct paste_buffer *, size_t);
1473
1474 /* clock.c */
1475 extern const char clock_table[14][5][5];
1476 void             clock_draw(struct screen_write_ctx *, int, int);
1477
1478 /* arguments.c */
1479 struct args     *args_create(int, ...);
1480 struct args     *args_parse(const char *, int, char **);
1481 void             args_free(struct args *);
1482 size_t           args_print(struct args *, char *, size_t);
1483 int              args_has(struct args *, u_char);
1484 void             args_set(struct args *, u_char, const char *);
1485 const char      *args_get(struct args *, u_char);
1486 long long        args_strtonum(
1487                     struct args *, u_char, long long, long long, char **);
1488
1489 /* cmd.c */
1490 int              cmd_pack_argv(int, char **, char *, size_t);
1491 int              cmd_unpack_argv(char *, size_t, int, char ***);
1492 char           **cmd_copy_argv(int, char *const *);
1493 void             cmd_free_argv(int, char **);
1494 struct cmd      *cmd_parse(int, char **, char **);
1495 int              cmd_exec(struct cmd *, struct cmd_ctx *);
1496 void             cmd_free(struct cmd *);
1497 size_t           cmd_print(struct cmd *, char *, size_t);
1498 struct session  *cmd_current_session(struct cmd_ctx *, int);
1499 struct client   *cmd_current_client(struct cmd_ctx *);
1500 struct client   *cmd_find_client(struct cmd_ctx *, const char *);
1501 struct session  *cmd_find_session(struct cmd_ctx *, const char *, int);
1502 struct winlink  *cmd_find_window(
1503                      struct cmd_ctx *, const char *, struct session **);
1504 int              cmd_find_index(
1505                      struct cmd_ctx *, const char *, struct session **);
1506 struct winlink  *cmd_find_pane(struct cmd_ctx *,
1507                      const char *, struct session **, struct window_pane **);
1508 char            *cmd_template_replace(char *, const char *, int);
1509 extern const struct cmd_entry *cmd_table[];
1510 extern const struct cmd_entry cmd_attach_session_entry;
1511 extern const struct cmd_entry cmd_bind_key_entry;
1512 extern const struct cmd_entry cmd_break_pane_entry;
1513 extern const struct cmd_entry cmd_capture_pane_entry;
1514 extern const struct cmd_entry cmd_choose_buffer_entry;
1515 extern const struct cmd_entry cmd_choose_client_entry;
1516 extern const struct cmd_entry cmd_choose_session_entry;
1517 extern const struct cmd_entry cmd_choose_window_entry;
1518 extern const struct cmd_entry cmd_clear_history_entry;
1519 extern const struct cmd_entry cmd_clock_mode_entry;
1520 extern const struct cmd_entry cmd_command_prompt_entry;
1521 extern const struct cmd_entry cmd_confirm_before_entry;
1522 extern const struct cmd_entry cmd_copy_mode_entry;
1523 extern const struct cmd_entry cmd_delete_buffer_entry;
1524 extern const struct cmd_entry cmd_detach_client_entry;
1525 extern const struct cmd_entry cmd_display_message_entry;
1526 extern const struct cmd_entry cmd_display_panes_entry;
1527 extern const struct cmd_entry cmd_down_pane_entry;
1528 extern const struct cmd_entry cmd_find_window_entry;
1529 extern const struct cmd_entry cmd_has_session_entry;
1530 extern const struct cmd_entry cmd_if_shell_entry;
1531 extern const struct cmd_entry cmd_join_pane_entry;
1532 extern const struct cmd_entry cmd_kill_pane_entry;
1533 extern const struct cmd_entry cmd_kill_server_entry;
1534 extern const struct cmd_entry cmd_kill_session_entry;
1535 extern const struct cmd_entry cmd_kill_window_entry;
1536 extern const struct cmd_entry cmd_last_pane_entry;
1537 extern const struct cmd_entry cmd_last_window_entry;
1538 extern const struct cmd_entry cmd_link_window_entry;
1539 extern const struct cmd_entry cmd_list_buffers_entry;
1540 extern const struct cmd_entry cmd_list_clients_entry;
1541 extern const struct cmd_entry cmd_list_commands_entry;
1542 extern const struct cmd_entry cmd_list_keys_entry;
1543 extern const struct cmd_entry cmd_list_panes_entry;
1544 extern const struct cmd_entry cmd_list_sessions_entry;
1545 extern const struct cmd_entry cmd_list_windows_entry;
1546 extern const struct cmd_entry cmd_load_buffer_entry;
1547 extern const struct cmd_entry cmd_lock_client_entry;
1548 extern const struct cmd_entry cmd_lock_server_entry;
1549 extern const struct cmd_entry cmd_lock_session_entry;
1550 extern const struct cmd_entry cmd_move_window_entry;
1551 extern const struct cmd_entry cmd_new_session_entry;
1552 extern const struct cmd_entry cmd_new_window_entry;
1553 extern const struct cmd_entry cmd_next_layout_entry;
1554 extern const struct cmd_entry cmd_next_window_entry;
1555 extern const struct cmd_entry cmd_paste_buffer_entry;
1556 extern const struct cmd_entry cmd_pipe_pane_entry;
1557 extern const struct cmd_entry cmd_previous_layout_entry;
1558 extern const struct cmd_entry cmd_previous_window_entry;
1559 extern const struct cmd_entry cmd_refresh_client_entry;
1560 extern const struct cmd_entry cmd_rename_session_entry;
1561 extern const struct cmd_entry cmd_rename_window_entry;
1562 extern const struct cmd_entry cmd_resize_pane_entry;
1563 extern const struct cmd_entry cmd_respawn_window_entry;
1564 extern const struct cmd_entry cmd_rotate_window_entry;
1565 extern const struct cmd_entry cmd_run_shell_entry;
1566 extern const struct cmd_entry cmd_save_buffer_entry;
1567 extern const struct cmd_entry cmd_select_layout_entry;
1568 extern const struct cmd_entry cmd_select_pane_entry;
1569 extern const struct cmd_entry cmd_select_window_entry;
1570 extern const struct cmd_entry cmd_send_keys_entry;
1571 extern const struct cmd_entry cmd_send_prefix_entry;
1572 extern const struct cmd_entry cmd_server_info_entry;
1573 extern const struct cmd_entry cmd_set_buffer_entry;
1574 extern const struct cmd_entry cmd_set_environment_entry;
1575 extern const struct cmd_entry cmd_set_option_entry;
1576 extern const struct cmd_entry cmd_set_window_option_entry;
1577 extern const struct cmd_entry cmd_show_buffer_entry;
1578 extern const struct cmd_entry cmd_show_environment_entry;
1579 extern const struct cmd_entry cmd_show_messages_entry;
1580 extern const struct cmd_entry cmd_show_options_entry;
1581 extern const struct cmd_entry cmd_show_window_options_entry;
1582 extern const struct cmd_entry cmd_source_file_entry;
1583 extern const struct cmd_entry cmd_split_window_entry;
1584 extern const struct cmd_entry cmd_start_server_entry;
1585 extern const struct cmd_entry cmd_suspend_client_entry;
1586 extern const struct cmd_entry cmd_swap_pane_entry;
1587 extern const struct cmd_entry cmd_swap_window_entry;
1588 extern const struct cmd_entry cmd_switch_client_entry;
1589 extern const struct cmd_entry cmd_unbind_key_entry;
1590 extern const struct cmd_entry cmd_unlink_window_entry;
1591 extern const struct cmd_entry cmd_up_pane_entry;
1592
1593 /* cmd-list.c */
1594 struct cmd_list *cmd_list_parse(int, char **, char **);
1595 int              cmd_list_exec(struct cmd_list *, struct cmd_ctx *);
1596 void             cmd_list_free(struct cmd_list *);
1597 size_t           cmd_list_print(struct cmd_list *, char *, size_t);
1598
1599 /* cmd-string.c */
1600 int     cmd_string_parse(const char *, struct cmd_list **, char **);
1601
1602 /* client.c */
1603 int     client_main(int, char **, int);
1604
1605 /* key-bindings.c */
1606 extern struct key_bindings key_bindings;
1607 int      key_bindings_cmp(struct key_binding *, struct key_binding *);
1608 SPLAY_PROTOTYPE(key_bindings, key_binding, entry, key_bindings_cmp);
1609 struct key_binding *key_bindings_lookup(int);
1610 void     key_bindings_add(int, int, struct cmd_list *);
1611 void     key_bindings_remove(int);
1612 void     key_bindings_clean(void);
1613 void     key_bindings_init(void);
1614 void     key_bindings_dispatch(struct key_binding *, struct client *);
1615 void printflike2 key_bindings_error(struct cmd_ctx *, const char *, ...);
1616 void printflike2 key_bindings_print(struct cmd_ctx *, const char *, ...);
1617 void printflike2 key_bindings_info(struct cmd_ctx *, const char *, ...);
1618
1619 /* key-string.c */
1620 int      key_string_lookup_string(const char *);
1621 const char *key_string_lookup_key(int);
1622
1623 /* server.c */
1624 extern struct clients clients;
1625 extern struct clients dead_clients;
1626 extern struct paste_stack global_buffers;
1627 int      server_start(void);
1628 void     server_update_socket(void);
1629
1630 /* server-client.c */
1631 void     server_client_create(int);
1632 void     server_client_lost(struct client *);
1633 void     server_client_callback(int, short, void *);
1634 void     server_client_status_timer(void);
1635 void     server_client_loop(void);
1636
1637 /* server-window.c */
1638 void     server_window_loop(void);
1639
1640 /* server-fn.c */
1641 void     server_fill_environ(struct session *, struct environ *);
1642 void     server_write_client(
1643              struct client *, enum msgtype, const void *, size_t);
1644 void     server_write_session(
1645              struct session *, enum msgtype, const void *, size_t);
1646 void     server_redraw_client(struct client *);
1647 void     server_status_client(struct client *);
1648 void     server_redraw_session(struct session *);
1649 void     server_redraw_session_group(struct session *);
1650 void     server_status_session(struct session *);
1651 void     server_status_session_group(struct session *);
1652 void     server_redraw_window(struct window *);
1653 void     server_redraw_window_borders(struct window *);
1654 void     server_status_window(struct window *);
1655 void     server_lock(void);
1656 void     server_lock_session(struct session *);
1657 void     server_lock_client(struct client *);
1658 int      server_unlock(const char *);
1659 void     server_kill_window(struct window *);
1660 int      server_link_window(struct session *,
1661              struct winlink *, struct session *, int, int, int, char **);
1662 void     server_unlink_window(struct session *, struct winlink *);
1663 void     server_destroy_pane(struct window_pane *);
1664 void     server_destroy_session_group(struct session *);
1665 void     server_destroy_session(struct session *);
1666 void     server_check_unattached (void);
1667 void     server_set_identify(struct client *);
1668 void     server_clear_identify(struct client *);
1669 void     server_update_event(struct client *);
1670
1671 /* status.c */
1672 int      status_out_cmp(struct status_out *, struct status_out *);
1673 RB_PROTOTYPE(status_out_tree, status_out, entry, status_out_cmp);
1674 void     status_free_jobs(struct status_out_tree *);
1675 void     status_update_jobs(struct client *);
1676 void     status_set_window_at(struct client *, u_int);
1677 int      status_redraw(struct client *);
1678 char    *status_replace(struct client *, struct session *,
1679              struct winlink *, struct window_pane *, const char *, time_t, int);
1680 void printflike2 status_message_set(struct client *, const char *, ...);
1681 void     status_message_clear(struct client *);
1682 int      status_message_redraw(struct client *);
1683 void     status_prompt_set(struct client *, const char *,
1684              int (*)(void *, const char *), void (*)(void *), void *, int);
1685 void     status_prompt_clear(struct client *);
1686 int      status_prompt_redraw(struct client *);
1687 void     status_prompt_key(struct client *, int);
1688 void     status_prompt_update(struct client *, const char *);
1689
1690 /* resize.c */
1691 void     recalculate_sizes(void);
1692
1693 /* input.c */
1694 void     input_init(struct window_pane *);
1695 void     input_free(struct window_pane *);
1696 void     input_parse(struct window_pane *);
1697
1698 /* input-key.c */
1699 void     input_key(struct window_pane *, int);
1700 void     input_mouse(struct window_pane *, struct mouse_event *);
1701
1702 /* xterm-keys.c */
1703 char    *xterm_keys_lookup(int);
1704 int      xterm_keys_find(const char *, size_t, size_t *, int *);
1705
1706 /* colour.c */
1707 void     colour_set_fg(struct grid_cell *, int);
1708 void     colour_set_bg(struct grid_cell *, int);
1709 const char *colour_tostring(int);
1710 int      colour_fromstring(const char *);
1711 u_char   colour_256to16(u_char);
1712 u_char   colour_256to88(u_char);
1713
1714 /* attributes.c */
1715 const char *attributes_tostring(u_char);
1716 int      attributes_fromstring(const char *);
1717
1718 /* grid.c */
1719 extern const struct grid_cell grid_default_cell;
1720 struct grid *grid_create(u_int, u_int, u_int);
1721 void     grid_destroy(struct grid *);
1722 int      grid_compare(struct grid *, struct grid *);
1723 void     grid_collect_history(struct grid *);
1724 void     grid_scroll_history(struct grid *);
1725 void     grid_scroll_history_region(struct grid *, u_int, u_int);
1726 void     grid_expand_line(struct grid *, u_int, u_int);
1727 void     grid_expand_line_utf8(struct grid *, u_int, u_int);
1728 const struct grid_cell *grid_peek_cell(struct grid *, u_int, u_int);
1729 struct grid_cell *grid_get_cell(struct grid *, u_int, u_int);
1730 void     grid_set_cell(struct grid *, u_int, u_int, const struct grid_cell *);
1731 const struct grid_utf8 *grid_peek_utf8(struct grid *, u_int, u_int);
1732 struct grid_utf8 *grid_get_utf8(struct grid *, u_int, u_int);
1733 void     grid_set_utf8(struct grid *, u_int, u_int, const struct grid_utf8 *);
1734 void     grid_clear(struct grid *, u_int, u_int, u_int, u_int);
1735 void     grid_clear_lines(struct grid *, u_int, u_int);
1736 void     grid_move_lines(struct grid *, u_int, u_int, u_int);
1737 void     grid_move_cells(struct grid *, u_int, u_int, u_int, u_int);
1738 char    *grid_string_cells(struct grid *, u_int, u_int, u_int);
1739 void     grid_duplicate_lines(
1740              struct grid *, u_int, struct grid *, u_int, u_int);
1741
1742 /* grid-utf8.c */
1743 size_t   grid_utf8_size(const struct grid_utf8 *);
1744 size_t   grid_utf8_copy(const struct grid_utf8 *, char *, size_t);
1745 void     grid_utf8_set(struct grid_utf8 *, const struct utf8_data *);
1746 int      grid_utf8_append(struct grid_utf8 *, const struct utf8_data *);
1747 int      grid_utf8_compare(const struct grid_utf8 *, const struct grid_utf8 *);
1748
1749 /* grid-view.c */
1750 const struct grid_cell *grid_view_peek_cell(struct grid *, u_int, u_int);
1751 struct grid_cell *grid_view_get_cell(struct grid *, u_int, u_int);
1752 void     grid_view_set_cell(
1753              struct grid *, u_int, u_int, const struct grid_cell *);
1754 const struct grid_utf8 *grid_view_peek_utf8(struct grid *, u_int, u_int);
1755 struct grid_utf8 *grid_view_get_utf8(struct grid *, u_int, u_int);
1756 void     grid_view_set_utf8(
1757              struct grid *, u_int, u_int, const struct grid_utf8 *);
1758 void     grid_view_clear_history(struct grid *);
1759 void     grid_view_clear(struct grid *, u_int, u_int, u_int, u_int);
1760 void     grid_view_scroll_region_up(struct grid *, u_int, u_int);
1761 void     grid_view_scroll_region_down(struct grid *, u_int, u_int);
1762 void     grid_view_insert_lines(struct grid *, u_int, u_int);
1763 void     grid_view_insert_lines_region(struct grid *, u_int, u_int, u_int);
1764 void     grid_view_delete_lines(struct grid *, u_int, u_int);
1765 void     grid_view_delete_lines_region(struct grid *, u_int, u_int, u_int);
1766 void     grid_view_insert_cells(struct grid *, u_int, u_int, u_int);
1767 void     grid_view_delete_cells(struct grid *, u_int, u_int, u_int);
1768 char    *grid_view_string_cells(struct grid *, u_int, u_int, u_int);
1769
1770 /* screen-write.c */
1771 void     screen_write_start(
1772              struct screen_write_ctx *, struct window_pane *, struct screen *);
1773 void     screen_write_stop(struct screen_write_ctx *);
1774 size_t printflike2 screen_write_cstrlen(int, const char *, ...);
1775 void printflike5 screen_write_cnputs(struct screen_write_ctx *,
1776              ssize_t, struct grid_cell *, int, const char *, ...);
1777 size_t printflike2 screen_write_strlen(int, const char *, ...);
1778 void printflike3 screen_write_puts(struct screen_write_ctx *,
1779              struct grid_cell *, const char *, ...);
1780 void printflike5 screen_write_nputs(struct screen_write_ctx *,
1781              ssize_t, struct grid_cell *, int, const char *, ...);
1782 void     screen_write_vnputs(struct screen_write_ctx *,
1783              ssize_t, struct grid_cell *, int, const char *, va_list);
1784 void     screen_write_parsestyle(
1785              struct grid_cell *, struct grid_cell *, const char *);
1786 void     screen_write_putc(
1787              struct screen_write_ctx *, struct grid_cell *, u_char);
1788 void     screen_write_copy(struct screen_write_ctx *,
1789              struct screen *, u_int, u_int, u_int, u_int);
1790 void     screen_write_backspace(struct screen_write_ctx *);
1791 void     screen_write_cursorup(struct screen_write_ctx *, u_int);
1792 void     screen_write_cursordown(struct screen_write_ctx *, u_int);
1793 void     screen_write_cursorright(struct screen_write_ctx *, u_int);
1794 void     screen_write_cursorleft(struct screen_write_ctx *, u_int);
1795 void     screen_write_alignmenttest(struct screen_write_ctx *);
1796 void     screen_write_insertcharacter(struct screen_write_ctx *, u_int);
1797 void     screen_write_deletecharacter(struct screen_write_ctx *, u_int);
1798 void     screen_write_insertline(struct screen_write_ctx *, u_int);
1799 void     screen_write_deleteline(struct screen_write_ctx *, u_int);
1800 void     screen_write_clearline(struct screen_write_ctx *);
1801 void     screen_write_clearendofline(struct screen_write_ctx *);
1802 void     screen_write_clearstartofline(struct screen_write_ctx *);
1803 void     screen_write_cursormove(struct screen_write_ctx *, u_int, u_int);
1804 void     screen_write_cursormode(struct screen_write_ctx *, int);
1805 void     screen_write_reverseindex(struct screen_write_ctx *);
1806 void     screen_write_scrollregion(struct screen_write_ctx *, u_int, u_int);
1807 void     screen_write_insertmode(struct screen_write_ctx *, int);
1808 void     screen_write_utf8mousemode(struct screen_write_ctx *, int);
1809 void     screen_write_mousemode_on(struct screen_write_ctx *, int);
1810 void     screen_write_mousemode_off(struct screen_write_ctx *);
1811 void     screen_write_linefeed(struct screen_write_ctx *, int);
1812 void     screen_write_linefeedscreen(struct screen_write_ctx *, int);
1813 void     screen_write_carriagereturn(struct screen_write_ctx *);
1814 void     screen_write_kcursormode(struct screen_write_ctx *, int);
1815 void     screen_write_kkeypadmode(struct screen_write_ctx *, int);
1816 void     screen_write_clearendofscreen(struct screen_write_ctx *);
1817 void     screen_write_clearstartofscreen(struct screen_write_ctx *);
1818 void     screen_write_clearscreen(struct screen_write_ctx *);
1819 void     screen_write_cell(struct screen_write_ctx *,
1820              const struct grid_cell *, const struct utf8_data *);
1821 void     screen_write_rawstring(struct screen_write_ctx *, u_char *, u_int);
1822
1823 /* screen-redraw.c */
1824 void     screen_redraw_screen(struct client *, int, int);
1825 void     screen_redraw_pane(struct client *, struct window_pane *);
1826
1827 /* screen.c */
1828 void     screen_init(struct screen *, u_int, u_int, u_int);
1829 void     screen_reinit(struct screen *);
1830 void     screen_free(struct screen *);
1831 void     screen_reset_tabs(struct screen *);
1832 void     screen_set_title(struct screen *, const char *);
1833 void     screen_resize(struct screen *, u_int, u_int);
1834 void     screen_set_selection(struct screen *,
1835              u_int, u_int, u_int, u_int, u_int, struct grid_cell *);
1836 void     screen_clear_selection(struct screen *);
1837 int      screen_check_selection(struct screen *, u_int, u_int);
1838
1839 /* window.c */
1840 extern struct windows windows;
1841 extern struct window_pane_tree all_window_panes;
1842 int              winlink_cmp(struct winlink *, struct winlink *);
1843 RB_PROTOTYPE(winlinks, winlink, entry, winlink_cmp);
1844 int              window_pane_cmp(struct window_pane *, struct window_pane *);
1845 RB_PROTOTYPE(window_pane_tree, window_pane, tree_entry, window_pane_cmp);
1846 struct winlink  *winlink_find_by_index(struct winlinks *, int);
1847 struct winlink  *winlink_find_by_window(struct winlinks *, struct window *);
1848 int              winlink_next_index(struct winlinks *, int);
1849 u_int            winlink_count(struct winlinks *);
1850 struct winlink  *winlink_add(struct winlinks *, int);
1851 void             winlink_set_window(struct winlink *, struct window *);
1852 void             winlink_remove(struct winlinks *, struct winlink *);
1853 struct winlink  *winlink_next(struct winlink *);
1854 struct winlink  *winlink_previous(struct winlink *);
1855 struct winlink  *winlink_next_by_number(struct winlink *, struct session *,
1856                      int);
1857 struct winlink  *winlink_previous_by_number(struct winlink *, struct session *,
1858                      int);
1859 void             winlink_stack_push(struct winlink_stack *, struct winlink *);
1860 void             winlink_stack_remove(struct winlink_stack *, struct winlink *);
1861 int              window_index(struct window *, u_int *);
1862 struct window   *window_create1(u_int, u_int);
1863 struct window   *window_create(const char *, const char *, const char *,
1864                      const char *, struct environ *, struct termios *,
1865                      u_int, u_int, u_int, char **);
1866 void             window_destroy(struct window *);
1867 void             window_set_active_at(struct window *, u_int, u_int);
1868 void             window_set_active_pane(struct window *, struct window_pane *);
1869 struct window_pane *window_add_pane(struct window *, u_int);
1870 void             window_resize(struct window *, u_int, u_int);
1871 void             window_remove_pane(struct window *, struct window_pane *);
1872 struct window_pane *window_pane_at_index(struct window *, u_int);
1873 struct window_pane *window_pane_next_by_number(struct window *,
1874                         struct window_pane *, u_int);
1875 struct window_pane *window_pane_previous_by_number(struct window *,
1876                         struct window_pane *, u_int);
1877 u_int            window_pane_index(struct window *, struct window_pane *);
1878 u_int            window_count_panes(struct window *);
1879 void             window_destroy_panes(struct window *);
1880 struct window_pane *window_pane_find_by_id(u_int);
1881 struct window_pane *window_pane_create(struct window *, u_int, u_int, u_int);
1882 void             window_pane_destroy(struct window_pane *);
1883 int              window_pane_spawn(struct window_pane *, const char *,
1884                      const char *, const char *, struct environ *,
1885                      struct termios *, char **);
1886 void             window_pane_resize(struct window_pane *, u_int, u_int);
1887 void             window_pane_alternate_on(
1888                      struct window_pane *, struct grid_cell *);
1889 void             window_pane_alternate_off(
1890                      struct window_pane *, struct grid_cell *);
1891 int              window_pane_set_mode(
1892                      struct window_pane *, const struct window_mode *);
1893 void             window_pane_reset_mode(struct window_pane *);
1894 void             window_pane_key(struct window_pane *, struct session *, int);
1895 void             window_pane_mouse(struct window_pane *,
1896                      struct session *, struct mouse_event *);
1897 int              window_pane_visible(struct window_pane *);
1898 char            *window_pane_search(
1899                      struct window_pane *, const char *, u_int *);
1900 char            *window_printable_flags(struct session *, struct winlink *);
1901
1902 struct window_pane *window_pane_find_up(struct window_pane *);
1903 struct window_pane *window_pane_find_down(struct window_pane *);
1904 struct window_pane *window_pane_find_left(struct window_pane *);
1905 struct window_pane *window_pane_find_right(struct window_pane *);
1906
1907 /* layout.c */
1908 u_int            layout_count_cells(struct layout_cell *);
1909 struct layout_cell *layout_create_cell(struct layout_cell *);
1910 void             layout_free_cell(struct layout_cell *);
1911 void             layout_print_cell(struct layout_cell *, const char *, u_int);
1912 void             layout_destroy_cell(struct layout_cell *, struct layout_cell **);
1913 void             layout_set_size(
1914                      struct layout_cell *, u_int, u_int, u_int, u_int);
1915 void             layout_make_leaf(
1916                      struct layout_cell *, struct window_pane *);
1917 void             layout_make_node(struct layout_cell *, enum layout_type);
1918 void             layout_fix_offsets(struct layout_cell *);
1919 void             layout_fix_panes(struct window *, u_int, u_int);
1920 u_int            layout_resize_check(struct layout_cell *, enum layout_type);
1921 void             layout_resize_adjust(
1922                      struct layout_cell *, enum layout_type, int);
1923 void             layout_init(struct window *);
1924 void             layout_free(struct window *);
1925 void             layout_resize(struct window *, u_int, u_int);
1926 void             layout_resize_pane(
1927                      struct window_pane *, enum layout_type, int);
1928 void             layout_assign_pane(struct layout_cell *, struct window_pane *);
1929 struct layout_cell *layout_split_pane(
1930                      struct window_pane *, enum layout_type, int);
1931 void             layout_close_pane(struct window_pane *);
1932
1933 /* layout-custom.c */
1934 char            *layout_dump(struct window *);
1935 int              layout_parse(struct window *, const char *);
1936
1937 /* layout-set.c */
1938 const char      *layout_set_name(u_int);
1939 int              layout_set_lookup(const char *);
1940 u_int            layout_set_select(struct window *, u_int);
1941 u_int            layout_set_next(struct window *);
1942 u_int            layout_set_previous(struct window *);
1943 void             layout_set_active_changed(struct window *);
1944
1945 /* layout-string.c */
1946 struct layout_cell *layout_find_string(struct window *, const char *);
1947 struct layout_cell *layout_find_bottomright(struct layout_cell *);
1948
1949 /* window-clock.c */
1950 extern const struct window_mode window_clock_mode;
1951
1952 /* window-copy.c */
1953 extern const struct window_mode window_copy_mode;
1954 void             window_copy_init_from_pane(struct window_pane *);
1955 void             window_copy_init_for_output(struct window_pane *);
1956 void             window_copy_add(struct window_pane *, const char *, ...);
1957 void             window_copy_vadd(struct window_pane *, const char *, va_list);
1958 void             window_copy_pageup(struct window_pane *);
1959
1960 /* window-choose.c */
1961 extern const struct window_mode window_choose_mode;
1962 void             window_choose_vadd(
1963                      struct window_pane *, int, const char *, va_list);
1964 void printflike3 window_choose_add(
1965                      struct window_pane *, int, const char *, ...);
1966 void             window_choose_ready(struct window_pane *,
1967                      u_int, void (*)(void *, int), void (*)(void *), void *);
1968
1969 /* names.c */
1970 void             queue_window_name(struct window *);
1971 char            *default_window_name(struct window *);
1972
1973 /* signal.c */
1974 void set_signals(void(*)(int, short, void *));
1975 void clear_signals(int);
1976
1977 /* session.c */
1978 extern struct sessions sessions;
1979 extern struct sessions dead_sessions;
1980 extern struct session_groups session_groups;
1981 int     session_cmp(struct session *, struct session *);
1982 RB_PROTOTYPE(sessions, session, entry, session_cmp);
1983 int              session_alive(struct session *);
1984 struct session  *session_find(const char *);
1985 struct session  *session_find_by_index(u_int);
1986 struct session  *session_create(const char *, const char *, const char *,
1987                      struct environ *, struct termios *, int, u_int, u_int,
1988                      char **);
1989 void             session_destroy(struct session *);
1990 int              session_check_name(const char *);
1991 void             session_update_activity(struct session *);
1992 struct session  *session_next_session(struct session *);
1993 struct session  *session_previous_session(struct session *);
1994 struct winlink  *session_new(struct session *,
1995                      const char *, const char *, const char *, int, char **);
1996 struct winlink  *session_attach(
1997                      struct session *, struct window *, int, char **);
1998 int              session_detach(struct session *, struct winlink *);
1999 struct winlink*  session_has(struct session *, struct window *);
2000 int              session_next(struct session *, int);
2001 int              session_previous(struct session *, int);
2002 int              session_select(struct session *, int);
2003 int              session_last(struct session *);
2004 struct session_group *session_group_find(struct session *);
2005 u_int            session_group_index(struct session_group *);
2006 void             session_group_add(struct session *, struct session *);
2007 void             session_group_remove(struct session *);
2008 void             session_group_synchronize_to(struct session *);
2009 void             session_group_synchronize_from(struct session *);
2010 void             session_group_synchronize1(struct session *, struct session *);
2011
2012 /* utf8.c */
2013 void    utf8_build(void);
2014 int     utf8_open(struct utf8_data *, u_char);
2015 int     utf8_append(struct utf8_data *, u_char);
2016 u_int   utf8_combine(const struct utf8_data *);
2017 u_int   utf8_split2(u_int, u_char *);
2018
2019 /* procname.c */
2020 char   *get_proc_name(int, char *);
2021
2022 /* log.c */
2023 void             log_open_tty(int);
2024 void             log_open_file(int, const char *);
2025 void             log_close(void);
2026 void printflike1 log_warn(const char *, ...);
2027 void printflike1 log_warnx(const char *, ...);
2028 void printflike1 log_info(const char *, ...);
2029 void printflike1 log_debug(const char *, ...);
2030 void printflike1 log_debug2(const char *, ...);
2031 __dead void printflike1 log_fatal(const char *, ...);
2032 __dead void printflike1 log_fatalx(const char *, ...);
2033
2034 /* xmalloc.c */
2035 char            *xstrdup(const char *);
2036 void            *xcalloc(size_t, size_t);
2037 void            *xmalloc(size_t);
2038 void            *xrealloc(void *, size_t, size_t);
2039 void             xfree(void *);
2040 int printflike2  xasprintf(char **, const char *, ...);
2041 int              xvasprintf(char **, const char *, va_list);
2042 int printflike3  xsnprintf(char *, size_t, const char *, ...);
2043 int              xvsnprintf(char *, size_t, const char *, va_list);
2044
2045 #endif /* TMUX_H */